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Consider the following reaction:
2NaOH + H2SO4--->Na2SO4 + 2H2O 78.6 g of H2SO4 is present initially. How many grams of NaOH are needed to neutralize H2SO4?
A reaction mixture initially contains 0.050 M of all three chemical species in a 0.355 L vessel. What will the concentration of the SO2 be at equilibrium?
What volume of 5.0 M nitrate ion solution would be required to react with 35.0 mL of 0.75 M sulfide ion
An amorphizing implant is performed using a high dose of arsenic and TEM cross-section images indicate complete amorphization to a depth of 50 nm.
The standard enthalpy of fusion of bromobenzene is 10.7 kJ/mol at its melting point, 242.4 K. What is the standard change in entropy for the melting of bromobenzene at its melting point?
Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents
a compound having an approximate molar mass of 120-15 g has the following percent composition by mass carbon 38.44
The _______ of a titration occurs when the indicator changes color.
A compound contains 43.64% P with the remainder being oxygen. What is the empirical formula of the compound?
A sample of argon gas at a pressure of 0.981 atm and a temperature of 29.7oC, occupies a volume of 12.5 liters. If the gas is allowed to expand at constant temperature to a volume of 19.1 liters, the pressure of the gas sample will be
A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
lead (II) sulfide (PbS) has a Ksp of 3.0 x 10^-28 . what is the concentration of lead (II) ions in a saturated solution of PbS
Suppose a 5.00mL sample of vinegar required 27.58mL of 0.123 M sodium hydroxide to reach the endpoint. What is the molarity of acetic acid in the vinegar?
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